How to resolve the algorithm N'th step by step in the CLU programming language

Published on 12 May 2024 09:40 PM
#Clu

How to resolve the algorithm N'th step by step in the CLU programming language

Table of Contents

Problem Statement

Write a function/method/subroutine/... that when given an integer greater than or equal to zero returns a string of the number followed by an apostrophe then the ordinal suffix.

Returns would include 1'st 2'nd 3'rd 11'th 111'th 1001'st 1012'th

Use your routine to show here the output for at least the following (inclusive) ranges of integer inputs: 0..25, 250..265, 1000..1025

Note: apostrophes are now optional to allow correct apostrophe-less English.

Let's start with the solution:

Step by Step solution about How to resolve the algorithm N'th step by step in the CLU programming language

Source code in the clu programming language

nth = proc (n: int) returns (string)
    num: string := int$unparse(n)
    sfx: array[string] := array[string]$[0: "th", "st", "nd", "rd"]

    if n / 10 // 10 = 1 cor n // 10 > 3 then
        return(num || sfx[0])
    else
        return(num || sfx[n // 10])
    end
end nth

do_range = proc (from, to: int)
    po: stream := stream$primary_output()
    col: int := 0
    
    for i: int in int$from_to(from,to) do
        stream$putleft(po, nth(i), 7)
        col := col + 1
        if col = 10 then
            stream$putc(po, '\n')
            col := 0
        end
    end
    stream$putl(po, "\n")
end do_range 

start_up = proc ()
    do_range(0,25)
    do_range(250,265)
    do_range(1000,1025)
end start_up

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